201420134011 has 4 divisors (see below), whose sum is σ = 205220513952. Its totient is φ = 197619754072.

The previous prime is 201420133979. The next prime is 201420134021. The reversal of 201420134011 is 110431024102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 201420134011 - 2⁵ = 201420133979 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 201420134011.

It is not an unprimeable number, because it can be changed into a prime (201420134021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1900189891 + ... + 1900189996.

It is an arithmetic number, because the mean of its divisors is an integer number (51305128488).

Almost surely, 2^201420134011 is an apocalyptic number.

201420134011 is a deficient number, since it is larger than the sum of its proper divisors (3800379941).

201420134011 is an equidigital number, since it uses as much as digits as its factorization.

201420134011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3800379940.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 201420134011 its reverse (110431024102), we get a palindrome (311851158113).

The spelling of 201420134011 in words is "two hundred one billion, four hundred twenty million, one hundred thirty-four thousand, eleven".